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【多选题】
下列关于证券市场的层次结构的叙述，正确的是( )。A.
层次结构通常指按证券进入市场的顺序而形成的结构关系
B.
按层次结构划分，可分为有形市场和无形市场
C.
证券发行市场又称一级市场或初级市场，是发行人以筹集资金为目的，按照一定的法律规定和发行程序，向投资者出售新证券所形成的市场
D.
证券市场的层次性还体现为区域分布、覆盖公司类型、上市交易制度以及监管要求的多样性
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皮皮学刷刷变学霸
举一反三
【单选题】According to the dialogue, how does the patient go to the bathroom?
A.
He has to use the bedpan, and ring for the nurse when he needs to go.
B.
He can go to the bathroom by himself.
C.
He can go to the bathroom with the help of the nurse.
D.
He can go to the bathroom with the help of his family members.
【简答题】[ɪ'vent]
【简答题】装饰石材施工过程中常用施工工具有?
【简答题】vent
【单选题】Air is released from the unit by a vent. 02010277
A.
Air is related to the vent.
B.
There is a belt on the unit .
C.
The unit can't work without air .
D.
Through the vent，the air is released.
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